How many movies have Hiroshi Tanaka and Riki Harada acted in together?

They have worked on 4 movies together! Their first movie together was Rebel Against Glory (1970) while their highest rated movie together was Lone Wolf and Cub: Baby Cart in Peril (1972). They have not worked together since Lone Wolf and Cub: Baby Cart in the Land of Demons (1973). They are most known for their action films together.